Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
317055883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28309905508662527553772271.32019-10-01 04:28:34
History
DateUserTypeResult
2025-04-23James HeinrichF
Factor: 2830990550866252755377 / TF: 71-72
2019-10-01Smok_bmv F
Factor: 2830990550866252755377 / TF: 71-72*
2019-09-30Smok_bmv NF
no factor from 2^70 to 2^71
2016-02-01SarnetskyNF
no factor from 2^69 to 2^70
2016-02-01SarnetskyNF
no factor from 2^66 to 2^69
2014-07-26sasakiNF
no factor from 2^65 to 2^66
2011-10-31tscNF
no factor from 2^64 to 2^65